TG11BC Detachable Bluetooth White Keyboard Microfiber Leather Tablet Case for iPad Pro 11 inch (2020), with Touchpad & Pen Slot & Holder, White Keyboard Color:Dark Green Do you need a power

Do you need a power amplifier to make all four speakers sound at the same time

Linear field of view(1000YDS): 101m/1000m

Wearing method: hanging neck

5 power interface

35mm conversion plug is provided

TG11BC Detachable Bluetooth White Keyboard Microfiber Leather Tablet Case for iPad Pro 11 inch (2020), with Touchpad & Pen Slot & Holder, White Keyboard Color:Dark Green Do you need a power1. Removable keyboard 2. Fashionable microfiber leather protective case 3. Built in lithium polymer battery capacity 350mAh 4. Working voltage: 3. 2 4. 2V 5. Bluetooth version: 3. 0 6. Working distance: within 10m Specification: General Compatible with Apple: iPad Pro 11 inch (2020) Package Weight One Package Weight 0. 76kgs 1. 68lb One Package Size 26cm * 21cm * 3cm 10. 24inch * 8. 27inch * 1. 18inch Qty per Carton 20 Carton Weight 14. 00kgs 30. 86lb